Dr. Alvarez wanted to see if he had discovered a new element, so he analyzed his new element and performed an experiment to
determine the element's density, melting point, and boiling point. Then, he repeated his experiment four more times before reporting
his results in a scientific journal. Which of the following is an example of replication?
Dr. Casey read Dr. Alvarez's report. Wanting to verify Dr. Alvarez's data, Dr. Casey repeated Dr. Alvarez's experiment three times,
compared his results with Dr. Alvarez's results, and reported his own results in a scientific journal.
Which of the following is an example of replication?
A. when Dr. Casey repeated his own experiment three times
OB. when Dr. Alvarez repeated his own experiment four times
C. when Dr. Casey repeated Dr. Alvarez's experiment
D. when Dr. Casey reported his results in a scientific journal